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SAE-AISI M4 Steel vs. Type 2 Pewter

SAE-AISI M4 steel belongs to the iron alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
52
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 76
19
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 260
69
Melting Completion (Liquidus), °C 1610
300
Melting Onset (Solidus), °C 1560
240
Specific Heat Capacity, J/kg-K 440
220
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 25
75
Density, g/cm3 8.3
7.3
Embodied Carbon, kg CO2/kg material 14
12
Embodied Energy, MJ/kg 210
210
Embodied Water, L/kg 110
1220

Common Calculations

Stiffness to Weight: Axial, points 13
3.9
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 26 to 72
2.0 to 2.6
Strength to Weight: Bending, points 23 to 45
4.3 to 5.1
Thermal Shock Resistance, points 24 to 68
3.4 to 4.4

Alloy Composition

Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 75.9 to 81.4
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
90 to 93
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zinc (Zn), % 0
0 to 0.0050

Comparable Variants